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八年级英语(下)第7单元第3课时
Unit 7 What’s the highest mountain in the world?
Section A Grammar Focus—4c
一、【教材分析】
教
学
目[来源:学*科*网Z*X*X*K]
标
| 知识[来源:Zxxk.Com]
目标
| 1. 学习并掌握下列单词：[来源:学。科。网]
ocean, the Pacific Ocean[来源:学#科#网Z#X#X#K]
2. 能正确使用以下常用表达：
how high, longer than, the deepest salt lake, as popular as, the Yangtze River,
3. 能熟练掌握并使用下列重点句式：
1）—How high is Qomolangma? —It’s 8,844.43 high.
2）—Did you know that China is one of the oldest countries in the world?
— Yes, I did. It’s much older than the US.[来源:学#科#网]
3) —Which is the deepest salt lake in the world? —The Caspian Sea.
| | 能力
目标
| 能够掌握形容词的比较等级，并运用形容词的比较等级去描述事物。
| | 情感
目标
| 培养学生热爱大自然，保护环境的意识。
| 教学重点
| Talk about geography and nature .
| 教学难点
| 正确使用本课时词汇与句子；读写训练。
| 教学方法
| 情景教学法；任务型教学法。
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二、【教学流程】
环节
| 师生活动
| I. Preparation
准备
| 1．检查单词预习情况：教师结合学生读的状况，适当领读，并帮助学生正音。教师根据构词法知识，帮助学生识记单词。
ocean, the Pacific Ocean how high, longer than, the deepest salt lake, as popular as, the Yangtze River,
2. 单词听写
听写单词—反馈—利用构词法再记忆。
3．复习检查
1）通过检查“学案”中“新知预习”内容，检查预习效果。
2）复习上课时知识点：
The Yellow River is long.
The Yangtze River is a lot _______ than the Yellow River.
The Nile is ______________ of all.
The Yangtze River is not ____ long ____ the Nile.
= The Yangtze River is not _______ than the Nile.
| II.Presentation
呈现
| 1. Learning tasks “示标定向”。
1）学习并掌握下列单词：
ocean, the Pacific Ocean
2）能正确使用以下常用表达：
how high, longer than, the deepest salt lake, as popular as, the Yangtze River,
3）能熟练掌握并使用下列重点句式：
1）—How high is Qomolangma? —It’s 8,844.43 high.
2）—Did you know that China is one of the oldest countries in the world?
— Yes, I did. It’s much older than the US.
3) —Which is the deepest salt lake in the world? —The Caspian Sea.
2. Leading-in“导入新课”
Let the Ss read Grammar Focus quickly and find the rules:
3. 形容词和副词比较级和最高级变化规则
1. 规则变化
1) 一般情况下，单音节或双音节的形容词（或副词）比较级＋er ， 最高级＋est
如： clever－cleverer－cleverest
few－fewer－fewest
small－smaller－smallest等。
2) 以e结尾的词，比较级＋r，最高级＋st 即可。 如：
nice－nicer－nicest cute－cuter－cutest large－larger－largest
3) 以辅音字母＋y结尾的变y为i＋er或est。如:
easy－easier－easiest
happy－happier－happiest
再如：early, busy, heavy, dirty, lazy也如此。
少数单音节词也是这样，如：
pleased－more pleased－the most pleased
tired－more tired－the most tired
2. 不规则变化：
good —better — best well —better — best
bad－worse － worst
many / much — more — most
far — farther —farthest (距离远)
far — further — furthest (程度深)
old — elder — eldest (长幼)
old — older —oldest (年龄)
| III.Practice
操练
| 1. 学以致用
1. Our family has bought a car so we can travel _____ than before.（2008陕西）
A. most easily B. less easily
C. easily D. more easily
2. My father told me a story last night. It is ____ one I’ve ever heard.（2009陕西）
A. the funniest B. funniest
C. funnier D. the funnier
3. The _____ friends you have, the ____ you will be.（2010陕西）
A. more, happy B. many, happy
C. more, happier D. many, happier
4. When he heard a cry for help, he ran out as _______ as he could.（2011陕西）
A. hardly B. quickly
C. finally D. slowly
5. This place is not big enough for Lucy’s birthday party. We should find a _____ one.（2012陕西）
A. big B. small
C. bigger D. smaller
| IV.Consolidation
巩固
| 1.
4a Fill in the blanks with the correct forms of the words in the box.
4b Write two comparisons about two topics. Write true facts.
2.4c Writing
Write five questions using comparisons. Then ask your partner your questions
| V.Examination
检测
| 1. 引导学生小结梳理知识框架、规律、方法，并对合作小组当堂学习情况进行总结评价，巩固学生所获得的语言知识和经验，让学生在评价中反思，在反思中进步。
Ask one of the students to say what they have learnt.
1)words & phrases
2) 用形容词描述大自然。
2. 当堂检测(见学案)：教师要随堂进行评价，批改可以由学习小组内互批、组间互批、集体订正等方法，批阅后教师要统计达标情况,收集反馈信息，当堂矫正补救。
| VI. Assignment
作业
| 1. 口头作业：利用早读，朗读或背诵课文，体会过去进行时的含义和用法。
2. 书面作业：
1）记忆所学单词、短语或重点句型。
2）Finish off the exercises in tongbuxuexi.
3. Preview the new words of Section B.
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三、【板书设计】
Unit 7 What’s the highest mountain in the world?
Section A Grammar Focus—4c
1）—How high is Qomolangma? —It’s 8,844.43 high.
2）—Did you know that China is one of the oldest countries in the world?
— Yes, I did. It’s much older than the US.
3) —Which is the deepest salt lake in the world? —The Caspian Sea.
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四、【教后反思】
在上一节课的基础上，大部分同学能够很轻松的完成这节课的学习任务，只是一些困难生还不行，课下要加强对他们的训练。
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